131399125

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{7351}}^1$

素因数の和:7390

約数の個数: 32

約数和(自身を含む): 192681216

約数和(自身を除く): 61282091

約数列:

[1, 5, 11, 13, 25, 55, 65, 125, 143, 275, 325, 715, 1375, 1625, 3575, 7351, 17875, 36755, 80861, 95563, 183775, 404305, 477815, 918875, 1051193, 2021525, 2389075, 5255965, 10107625, 11945375, 26279825, 131399125]

約数ペア:

[(1, 131399125), (5, 26279825), (11, 11945375), (13, 10107625), (25, 5255965), (55, 2389075), (65, 2021525), (125, 1051193), (143, 918875), (275, 477815), (325, 404305), (715, 183775), (1375, 95563), (1625, 80861), (3575, 36755), (7351, 17875)]